HD 130322 b, officially named Eiger, is an
exoplanet
An exoplanet or extrasolar planet is a planet outside the Solar System. The first confirmed detection of an exoplanet was in 1992 around a pulsar, and the first detection around a main-sequence star was in 1995. A different planet, first det ...
with a
minimum mass
In astronomy, minimum mass is the lower-bound calculated mass of observed objects such as planets, stars, binary systems, nebulae, and black holes.
Minimum mass is a widely cited statistic for extrasolar planets detected by the radial velocit ...
slightly more than that of
Jupiter
Jupiter is the fifth planet from the Sun and the List of Solar System objects by size, largest in the Solar System. It is a gas giant with a Jupiter mass, mass more than 2.5 times that of all the other planets in the Solar System combined a ...
. It orbits the star in a very close orbit distance being only a quarter that of
Mercury from the Sun. It is thus a so-called "
hot Jupiter
Hot Jupiters (sometimes called hot Saturns) are a class of gas giant exoplanets that are inferred to be physically similar to Jupiter (i.e. Jupiter analogue, Jupiter analogues) but that have very short orbital periods (). The close proximity to t ...
". The planet orbits the star every 10 days 17 hours in a very circular orbit.
Naming
The planet HD 130322 b is named Eiger. The name was selected in the
NameExoWorlds
NameExoWorlds (also known as IAU NameExoWorlds) were various projects managed by the International Astronomical Union (I.A.U.) to encourage names to be submitted for astronomical objects, notably exoplanets. The accepted names would later be cons ...
campaign by
Switzerland
Switzerland, officially the Swiss Confederation, is a landlocked country located in west-central Europe. It is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland ...
, during the 100th anniversary of the
IAU
The International Astronomical Union (IAU; , UAI) is an international non-governmental organization (INGO) with the objective of advancing astronomy in all aspects, including promoting astronomical research, outreach, education, and developmen ...
.
Eiger
The Eiger () is a mountain of the Bernese Alps, overlooking Grindelwald and Lauterbrunnen in the Bernese Oberland of Switzerland, just north of the main watershed and border with Valais. It is the easternmost peak of a ridge crest that extends ...
is one of the prominent peaks of the
Bernese Alps
The Bernese Alps are a mountain range of the Alps located in western Switzerland. Although the name suggests that they are located in the Berner Oberland region of the canton of Bern, portions of the Bernese Alps are in the adjacent cantons of Va ...
.
See also
*
List of exoplanets discovered before 2000
This is a list of exoplanets discovered before 2000.
For exoplanets detected only by radial velocity, the mass value is actually a lower limit. (See Minimum mass for more information.)
While the existence of a substellar companion to Gamma Cephei ...
References
External links
*
Exoplanets discovered in 1999
Giant planets
Virgo (constellation)
Exoplanets detected by radial velocity
Exoplanets with proper names
Hot Jupiters
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